CN105893409A - File downloading method and apparatus - Google Patents
File downloading method and apparatus Download PDFInfo
- Publication number
- CN105893409A CN105893409A CN201510794673.3A CN201510794673A CN105893409A CN 105893409 A CN105893409 A CN 105893409A CN 201510794673 A CN201510794673 A CN 201510794673A CN 105893409 A CN105893409 A CN 105893409A
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- Prior art keywords
- file
- file destination
- downloaded
- data segment
- write
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000002372 labelling Methods 0.000 claims description 22
- 238000011068 loading method Methods 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 208000010513 Stupor Diseases 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
- G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Data Mining & Analysis (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Embodiments of the invention provide a file downloading method and apparatus. The file downloading method comprises the steps of creating a target file for a to-be-downloaded file, dividing the to-be-downloaded file into data segments, and allocating the data segments to a plurality of threads for downloading, wherein each data segment has initial position information; opening the target file by the threads and setting a file pointer in a writing position corresponding to the initial position information of the data segment in charge of downloading; and downloading the data segments by the threads and writing the downloaded data segment into the target file from the writing position. According to the file downloading method and apparatus provided by the embodiments of the invention, the file can be downloaded through the threads and written in the target file, so that the downloading is smoother and the downloading experience of users is improved.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of document down loading method and device.
Background technology
Along with being showing improvement or progress day by day of internet industry, user can pass through the Internet download rich in natural resources.
Such as, increasing user is locally downloading by network video file by broadband, then copies
Watch in the mobile device such as mobile phone, PAD.Due to being continuously increased of this kind of user's request,
Download technology also development, is roughly divided into single-threaded and multithreading two ways.In order to promote down
Carry speed, generally use multithreading to download.Specifically, it is simply that first divide documents into multiple literary composition
Part burst, then file fragmentation is locally downloading, under completing all bursts by multithreading
After carrying operation, multiple file fragmentations are merged into original document.
But, above-mentioned technology has following weak point: the process of Piece file mergence can take a large amount of magnetic
Dish input/output, disk read-write speed is slow, even there is also operating system and is in torpor,
Causing speed of download slow, Consumer's Experience is poor.
Summary of the invention
It is an object of the invention to, it is provided that a kind of document down loading method and device, to realize quickly,
Move smoothly through multiple thread file to be downloaded and writes direct file destination, promote under user
Carrier is tested.
According to an aspect of the present invention, it is provided that a kind of document down loading method, including: for literary composition to be downloaded
Part creates file destination, described file to be downloaded is divided into data segment and distributes to multiple thread and bear
Duty is downloaded, and each data segment has a start position information；The plurality of thread opens described mesh
Mark file, is arranged on corresponding with the start position information of the data segment being responsible for download by file pointer
Writing position；The plurality of thread downloads described data segment, the data will downloaded from described writing position
Section writes described file destination.
Preferably, described method also includes: whether judge to store the storage device of described file destination
For movable equipment；When the storage device storing described file destination is movable equipment, for institute
State file destination and add non-buffered read-write labelling；When the storage device right and wrong storing described file destination
During movable equipment, add buffering read-write labelling for described file destination.
Preferably, the described process for file to be downloaded establishment file destination also includes: by create
Being dimensioned to of file destination is identical with the size of described file to be downloaded.
Preferably, the process opening described file destination described in also includes: beat with shared read-write mode
Open described file destination.
According to a further aspect in the invention, also provide for a kind of file downloading device, including: file divides
Join module, for creating file destination for file to be downloaded, described file to be downloaded is divided into number
According to section and distribute to multiple thread and be responsible for download, each data segment has a start position information；
Pointer arranges module, opens described file destination for the plurality of thread, is arranged by file pointer
In writing position corresponding with the start position information of the data segment of responsible download；File download module,
Download described data segment for the plurality of thread, from described writing position, the data segment of download is write
Enter described file destination.
Preferably, described device also includes: device type judge module, is used for judging that storage is described
Whether the storage device of file destination is movable equipment；File mark module, for when storage institute
State the storage device of file destination when being movable equipment, add non-buffered for described file destination and read
Write labelling；When the storage device storing described file destination is non-movable equipment, for described mesh
Mark file adds buffering read-write labelling.
Preferably, described file creation module is additionally operable to being dimensioned to the file destination of establishment
Identical with the size of described file to be downloaded.
Preferably, described file download module is additionally operable to open described file destination with shared read-write mode.
The document down loading method of embodiment of the present invention offer and device, be each responsible for based on multiple threads
Download the corresponding data segment of file to be downloaded, and be written as the file destination that file to be downloaded creates
In.Compared with prior art, owing to eliminating the process of Piece file mergence so that downloading process is more
Quickly, smooth and easy, improve user's downloading experience.Additionally, by distinguishing whether storage device has
Removable characteristic, reduces the probability causing file corruption when removing movable equipment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an example of the present general inventive concept illustrating the reflection present invention；
Fig. 2 is the flow chart of the document down loading method illustrating according to embodiments of the present invention；
Fig. 3 is the logic diagram of the file downloading device illustrating according to embodiments of the present invention two.
Detailed description of the invention
The basic conception of the present invention is to provide one to carry out file download based on multithreading and will download
Data write direct the technical method of file destination so that speed of download faster, more smooth and easy,
Improve the downloading experience of user.
Fig. 1 is the schematic diagram of an example of the present general inventive concept illustrating the reflection present invention.
With reference to Fig. 1, first, step 110: create file destination, can be by calling window-operating system
System application programming interfaces (Windows API, WinAPI) arranges file effective length, by this
Call the time that can save operating system filling file destination；Secondly, multiple threads are all to share
Read-write mode opens file destination, meanwhile, and step 120: judge whether storage device may move,
Step 130: if storage device is non-movable equipment, then read and write for file destination interpolation buffering,
Random read-write labelling, step 140: if storage device is movable equipment, then add non-buffered and read
Write, random read-write labelling；Finally, step 150: thread moves file pointer to be responsible for this thread
The corresponding writing position of original position of the data fragmentation downloaded, step 160: start to download and make
With corresponding handle write file destination.
As can be seen here, in file download process, it is not necessary to Piece file mergence process, it is to avoid because of file
Merging treatment causes taking a large amount of disk input/output, and disk read-write speed is slow.Therefore, according to this
The basic conception of invention, can improve the fluency of speed of download and download, promotes carrier under user
Test.Additionally, by distinguishing whether storage device has removable characteristic, it is possible to decrease remove removable
The probability of file corruption is caused during equipment.
Describe document down loading method and the device of the embodiment of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment one
Fig. 2 is the flow chart of the document down loading method illustrating according to embodiments of the present invention.Can be such as
Described method is performed on the device of embodiment illustrated in fig. 3.
With reference to Fig. 2, in step S210, create file destination for file to be downloaded, by literary composition to be downloaded
Part is divided into data segment and distributes to multiple thread and be responsible for download, and each data segment has one and initiates
Positional information.
According to the exemplary embodiment of the present invention, step S210 creates target literary composition for file to be downloaded
The process of part also includes: the file destination of establishment is dimensioned to the size with file to be downloaded
Identical.
In concrete implementation mode, such as, the viewing in user clicks on video playback interface is pressed
During key, indicating user terminal downloads this multimedia file, then this multimedia file is literary composition to be downloaded
Part, the address of this file to be downloaded can be multimedia file correspondence URL
(Universal Resource Locator, URL), wherein, URL is for being fully described by
A kind of identification method of the address of webpage and other resources on network, the information comprised in URL is pointed out
How the position of file and browser should process it.Each webpage has one uniquely
Name identification, normally referred to as URL address, this address can be local disk, it is also possible to be
A certain computer on LAN, is more the website on the Internet.
User terminal can send the address of multimedia file to server and ask the big of multimedia file
It is little, so that server searches its file size, and then user at the address of this multimedia file
Terminal receives the size of file to be downloaded sent from server, local disk create one with
The file that the size of file to be downloaded is identical.Then, it is respectively many according to the size of file to be downloaded
Individual thread distributes its data segment being responsible for the file to be downloaded downloaded, and each data segment has respective
Start position information.
In step S220, multiple threads open file destination, under being arranged on by file pointer and being responsible for
The corresponding writing position of start position information of the data segment carried.
After the process of abovementioned steps, specifically, multiple threads can perform to open target literary composition respectively
Part, and its file pointer is arranged on that the original position of data segment being responsible for downloading with it is corresponding to be write
The operation of position.
According to a preferred embodiment of the invention, the process opening file destination in step S220 is all right
Including: open file destination with shared read-write mode.Thus by the shared read-write spy of operating system
Property each thread is responsible for be downloaded data segment correspondingly write direct file destination.
In step S230, multiple threads download data segment, are write by the data segment of download from writing position
Enter file destination.
It is to say, in the start bit confidence of data segment file pointer being arranged on and be responsible for download
After ceasing corresponding writing position, multiple threads just can download the literary composition to be downloaded being each responsible for downloading respectively
The data segment of part, and the data segment write file destination will downloaded from writing position.
The document down loading method of the embodiment of the present invention, is each responsible for downloading literary composition to be downloaded by multiple threads
The corresponding data segment of part, and be written as in the file destination that file to be downloaded creates.Visible, this
Inventive embodiments effectively prevent Piece file mergence and processes and take disk in a large number and cause disk read-write speed relatively
Slow problem, improves the fluency of speed of download and download, improves user further and downloads
Experience.
On this basis, in order to reduce the probability causing file corruption when movable equipment removes, need
According to storage device, whether there is removable characteristic to be handled differently.
Correspondingly, document down loading method may also include that the storage device judging storage file destination is
No for movable equipment；When the storage device storing file destination is movable equipment, for target
File adds non-buffered read-write labelling；When the storage device of storage file destination is non-movable equipment
Time, add buffering read-write labelling for file destination.
Here, buffering read-write labelling relative to above-mentioned non-buffered read-write labelling for, be for
Notice operating system uses system buffer to optimize read or write speed.In actual applications, except aforementioned zones
Tian Jia not read and write outside labelling with buffering by non-buffered read-write labelling, also can add random write for file destination
Write labelling, it should be noted that random read-write labelling is for notifying that operating system optimization buffers.Can
See, by distinguishing whether storage device has removable characteristic, and add instruction difference for file destination
Download storage mode labelling, reduce the probability causing file corruption when removing movable equipment.
Embodiment two
Fig. 3 is the logic diagram of the file downloading device illustrating according to embodiments of the present invention two.Available
In the method step performing embodiment as shown in Figure 2.
With reference to Fig. 3, file downloading device includes that file distribution module 310, pointer arrange module 320
With file download module 330.File distribution module 310, pointer arrange module 320 and file download
Module 330 is sequentially connected and connects.
File distribution module 310 is for creating file destination for file to be downloaded, by described to be downloaded
File is divided into data segment and distributes to multiple thread and be responsible for download, and each data segment has one to be risen
Beginning positional information.
According to the preferred embodiment of the present invention, file distribution module 310 is additionally operable to the target literary composition that will create
Being dimensioned to of part is identical with the size of file to be downloaded.
Pointer arranges module 320 and opens file destination for multiple threads, is arranged on by file pointer
Writing position corresponding with the start position information of the data segment of responsible download.
Further, pointer arrange module 320 can be additionally used in shared read-write mode open target literary composition
Part.Make multiple thread can access file destination simultaneously.
File download module 330 downloads data segment for multiple threads, by download from writing position
Data segment write file destination.
The file downloading device that the embodiment of the present invention provides, is each responsible for download based on multiple threads and treats
Download the corresponding data segment of file, and be written as in the file destination that file to be downloaded creates.With
Prior art is compared, owing to eliminating the process of Piece file mergence so that downloading process more quickly,
Smooth and easy, improve user's downloading experience.
In order to reduce the probability causing file corruption when movable equipment removes, therefore, further,
File downloading device can also include:
Device type judge module (not shown) is for judging that the storage device storing file destination is
No for movable equipment；
File mark module (not shown) is removable for working as the storage device of storage file destination
During equipment, add non-buffered read-write labelling for file destination；Storage device when storage file destination
When being non-movable equipment, add buffering read-write labelling for file destination.
Therefore, by distinguishing whether storage device has removable characteristic, and add for file destination
Indicate the different labellings downloading storage mode, reduce and when removing movable equipment, cause file to damage
Bad probability.
In several embodiments provided by the present invention, it should be understood that disclosed server and
Method, can realize by another way.Such as, server example described above is only
It is only illustrative, such as, the division of described module, it is only a kind of logic function and divides, real
Other dividing mode can be had when border realizes.
It addition, each functional module in each embodiment of the present invention can be integrated in one processes mould
In block, it is also possible to be that modules is individually physically present, it is also possible to two or more module collection
In Cheng Yi module.Above-mentioned integrated module both can realize to use the form of hardware, it is also possible to
The form using hardware to add software function module realizes.
The above-mentioned integrated module realized with the form of software function module, can be stored in a meter
In calculation machine read/write memory medium.Above-mentioned software function module is stored in a storage medium, bag
Include some instructions with so that computer equipment (can be personal computer, server, or
Person's network equipment etc.) or processor (processor) perform method described in each embodiment of the present invention
Part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory
(Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), the various medium that can store program code such as magnetic disc or CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not
Be confined to this, any those familiar with the art in the technical scope that the invention discloses,
Change can be readily occurred in or replace, all should contain within protection scope of the present invention.Therefore, originally
The protection domain of invention should be as the criterion with described scope of the claims.
Claims (8)
1. a document down loading method, it is characterised in that described method includes:
Create file destination for file to be downloaded, described file to be downloaded is divided into data segment and divides
The multiple thread of dispensing is responsible for download, and each data segment has a start position information；
The plurality of thread opens described file destination, is arranged on by file pointer and is responsible for download
The corresponding writing position of start position information of data segment；
The plurality of thread downloads described data segment, is write by the data segment of download from described writing position
Enter described file destination.
Method the most according to claim 1, it is characterised in that described method also includes:
Judge whether the storage device storing described file destination is movable equipment；
When the storage device storing described file destination is movable equipment, for described file destination
Add non-buffered read-write labelling；
When the storage device storing described file destination is non-movable equipment, for described target literary composition
Part adds buffering read-write labelling.
Method the most according to claim 1 and 2, it is characterised in that described for literary composition to be downloaded
Part creates the process of file destination and also includes: being dimensioned to the file destination of establishment with described
The size of file to be downloaded is identical.
Method the most according to claim 1 and 2, it is characterised in that described in open described mesh
The process of mark file also includes: open described file destination with shared read-write mode.
5. a file downloading device, it is characterised in that described device includes:
File distribution module, for creating file destination for file to be downloaded, by described literary composition to be downloaded
Part is divided into data segment and distributes to multiple thread and be responsible for download, and each data segment has one and initiates
Positional information；
Pointer arranges module, opens described file destination for the plurality of thread, by file pointer
The corresponding writing position of start position information of the data segment being arranged on and be responsible for download；
File download module, downloads described data segment for the plurality of thread, from described writing position
Rise and the data segment downloaded is write described file destination.
Device the most according to claim 5, it is characterised in that described device also includes:
Device type judge module, for judging to store the storage device of described file destination be whether
Movable equipment；
File mark module, is movable equipment for working as the storage device storing described file destination
Time, add non-buffered read-write labelling for described file destination；When the storage storing described file destination
When equipment is non-movable equipment, add buffering read-write labelling for described file destination.
7. according to the device described in claim 5 or 6, it is characterised in that described file distribution mould
Block be additionally operable to by the file destination of establishment be dimensioned to identical with the size of described file to be downloaded.
8. according to the device described in claim 5 or 6, it is characterised in that described pointer arranges mould
Block is additionally operable to open described file destination with shared read-write mode.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794673.3A CN105893409A (en) | 2015-11-17 | 2015-11-17 | File downloading method and apparatus |
| PCT/CN2016/085174 WO2017084313A1 (en) | 2015-11-17 | 2016-06-07 | File downloading method and apparatus, and electronic device |
| US15/240,395 US20170142186A1 (en) | 2015-11-17 | 2016-08-18 | Method, apparatus, and electronic device for downloading files |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794673.3A CN105893409A (en) | 2015-11-17 | 2015-11-17 | File downloading method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105893409A true CN105893409A (en) | 2016-08-24 |
Family
ID=57002322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510794673.3A Pending CN105893409A (en) | 2015-11-17 | 2015-11-17 | File downloading method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105893409A (en) |
| WO (1) | WO2017084313A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712454A (en) * | 2018-02-13 | 2018-10-26 | 阿里巴巴集团控股有限公司 | A kind of document handling method, device and equipment |
| CN110022336A (en) * | 2018-01-09 | 2019-07-16 | 武汉斗鱼网络科技有限公司 | Improve method, storage medium, equipment and the system of Internet resources speed of download |
| CN112199052A (en) * | 2020-11-04 | 2021-01-08 | 江苏特思达电子科技股份有限公司 | File downloading method and device and computer equipment |
| CN113452733A (en) * | 2020-03-25 | 2021-09-28 | 北京沃东天骏信息技术有限公司 | File downloading method and device |
| CN114202850A (en) * | 2021-11-25 | 2022-03-18 | 中国建设银行股份有限公司 | Smart card payment method and device based on cloud data transmission |
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| CN109815197A (en) * | 2018-12-14 | 2019-05-28 | 平安普惠企业管理有限公司 | Integrated file operation method, system, computer equipment and storage medium |
| CN112671816B (en) * | 2019-10-16 | 2022-07-22 | 腾讯科技（深圳）有限公司 | File downloading method, device, equipment and medium |
| CN111726389A (en) * | 2020-05-06 | 2020-09-29 | 百富计算机技术（深圳）有限公司 | Data downloading method and device and terminal equipment |
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| CN112199340A (en) * | 2020-10-23 | 2021-01-08 | 深圳市欢太科技有限公司 | Multithreading file downloading method and device, electronic equipment and storage medium |
| CN112383638B (en) * | 2020-11-27 | 2023-12-05 | 北京小米移动软件有限公司 | Fragment downloading method, device and medium |
| CN112600563B (en) * | 2020-12-18 | 2024-07-12 | 抖音视界有限公司 | Application file configuration method and device, computer equipment and storage medium |
| CN115834568A (en) * | 2022-11-11 | 2023-03-21 | 超聚变数字技术有限公司 | File downloading method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110022336A (en) * | 2018-01-09 | 2019-07-16 | 武汉斗鱼网络科技有限公司 | Improve method, storage medium, equipment and the system of Internet resources speed of download |
| CN108712454A (en) * | 2018-02-13 | 2018-10-26 | 阿里巴巴集团控股有限公司 | A kind of document handling method, device and equipment |
| CN108712454B (en) * | 2018-02-13 | 2020-11-17 | 创新先进技术有限公司 | File processing method, device and equipment |
| CN113452733A (en) * | 2020-03-25 | 2021-09-28 | 北京沃东天骏信息技术有限公司 | File downloading method and device |
| CN112199052A (en) * | 2020-11-04 | 2021-01-08 | 江苏特思达电子科技股份有限公司 | File downloading method and device and computer equipment |
| CN114202850A (en) * | 2021-11-25 | 2022-03-18 | 中国建设银行股份有限公司 | Smart card payment method and device based on cloud data transmission |
| CN114202850B (en) * | 2021-11-25 | 2023-08-15 | 中国建设银行股份有限公司 | Smart card payment method and device based on cloud data transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017084313A1 (en) | 2017-05-26 |
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